FSS vs. BSX
FSS (Federal Signal Corporation) and BSX (Boston Scientific Corporation) are both stocks. FSS operates in Pollution & Treatment Controls (Industrials), while BSX operates in Medical Devices (Healthcare). Over the past 10 years, FSS returned 26.27%/yr vs 7.38%/yr for BSX. At a 0.25 correlation, their price movements are largely independent.
Performance
FSS vs. BSX - Performance Comparison
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Returns By Period
In the year-to-date period, FSS achieves a 9.14% return, which is significantly higher than BSX's -52.18% return. Over the past 10 years, FSS has outperformed BSX with an annualized return of 26.27%, while BSX has yielded a comparatively lower 7.38% annualized return.
FSS
- 1D
- 0.64%
- 1M
- 4.96%
- YTD
- 9.14%
- 6M
- 3.87%
- 1Y
- 15.40%
- 3Y*
- 24.70%
- 5Y*
- 25.00%
- 10Y*
- 26.27%
BSX
- 1D
- 2.86%
- 1M
- -21.08%
- YTD
- -52.18%
- 6M
- -52.54%
- 1Y
- -55.45%
- 3Y*
- -5.46%
- 5Y*
- 0.85%
- 10Y*
- 7.38%
FSS vs. BSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSS Federal Signal Corporation | 9.14% | 18.21% | 21.05% | 66.26% | 8.22% | 31.80% | 3.99% | 63.92% | 0.39% | 30.79% |
BSX Boston Scientific Corporation | -52.18% | 6.75% | 54.51% | 24.94% | 8.92% | 18.16% | -20.50% | 27.96% | 42.56% | 14.61% |
Correlation
The correlation between FSS and BSX is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.08 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.19 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.26 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.30 |
Correlation (All Time) Calculated using the full available price history since May 19, 1992 | 0.25 |
The correlation between FSS and BSX shifts across timeframes, from 0.08 (1 year) to 0.30 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
FSS:
$7.27B
BSX:
$68.17B
FSS:
$4.41
BSX:
$2.38
FSS:
26.82
BSX:
19.19
FSS:
1.05
BSX:
0.43
FSS:
3.10
BSX:
3.31
FSS:
5.07
BSX:
2.64
FSS:
$2.34B
BSX:
$20.62B
FSS:
$670.20M
BSX:
$14.52B
FSS:
$435.10M
BSX:
$4.76B
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Return for Risk
FSS vs. BSX — Risk / Return Rank
FSS
BSX
FSS vs. BSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Federal Signal Corporation (FSS) and Boston Scientific Corporation (BSX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| FSS | BSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.02 | ||
| Sortino ratioReturn per unit of downside risk | +3.39 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 0.65 | +0.47 |
| Calmar ratioReturn relative to maximum drawdown | 0.81 | -0.94 | +1.75 |
| Martin ratioReturn relative to average drawdown | 1.41 | -2.00 | +3.41 |
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Drawdowns
FSS vs. BSX - Drawdown Comparison
The maximum FSS drawdown since its inception was -83.43%, smaller than the maximum BSX drawdown of -89.15%. Use the drawdown chart below to compare losses from any high point for FSS and BSX.
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Drawdown Indicators
| FSS | BSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.43% | -89.15% | +5.72% |
Max Drawdown (1Y)Largest decline over 1 year | -19.04% | -59.01% | +39.97% |
Max Drawdown (3Y)Largest decline over 3 years | -31.54% | -59.01% | +27.47% |
Max Drawdown (5Y)Largest decline over 5 years | -32.96% | -59.01% | +26.05% |
Max Drawdown (10Y)Largest decline over 10 years | -32.96% | -59.01% | +26.05% |
Current DrawdownCurrent decline from peak | -8.55% | -57.83% | +49.28% |
Average DrawdownAverage peak-to-trough decline | -22.56% | -38.77% | +16.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.98% | 27.71% | -16.73% |
Volatility
FSS vs. BSX - Volatility Comparison
The current volatility for Federal Signal Corporation (FSS) is 9.92%, while Boston Scientific Corporation (BSX) has a volatility of 14.89%. This indicates that FSS experiences smaller price fluctuations and is considered to be less risky than BSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSS | BSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.92% | 14.89% | -4.97% |
Volatility (6M)Calculated over the trailing 6-month period | 23.73% | 33.07% | -9.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.60% | 35.10% | +0.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.75% | 25.81% | +4.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.64% | 27.34% | +4.30% |
Dividends
FSS vs. BSX - Dividend Comparison
FSS's dividend yield for the trailing twelve months is around 0.49%, while BSX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSX Boston Scientific Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
FSS Federal Signal Corporation | 0.49% | 0.52% | 0.52% | 0.51% | 0.77% | 0.83% | 0.96% | 0.99% | 1.56% | 1.39% | 1.79% | 1.58% |
Financials
FSS vs. BSX - Financials Comparison
This section allows you to compare key financial metrics between Federal Signal Corporation and Boston Scientific Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
FSS vs. BSX - Profitability Comparison
FSS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Federal Signal Corporation reported a gross profit of 179.40M and revenue of 625.60M. Therefore, the gross margin over that period was 28.7%.
BSX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported a gross profit of 3.61B and revenue of 5.20B. Therefore, the gross margin over that period was 69.4%.
FSS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Federal Signal Corporation reported an operating income of 99.70M and revenue of 625.60M, resulting in an operating margin of 15.9%.
BSX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported an operating income of 1.07B and revenue of 5.20B, resulting in an operating margin of 20.6%.
FSS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Federal Signal Corporation reported a net income of 70.40M and revenue of 625.60M, resulting in a net margin of 11.3%.
BSX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported a net income of 1.34B and revenue of 5.20B, resulting in a net margin of 25.7%.
Frequently Asked Questions
FSS and BSX have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BSX has higher volatility (14.89%) compared to FSS (9.92%). In terms of maximum drawdown, FSS dropped -83.43% vs BSX's -89.15%.
FSS currently has the higher Sharpe Ratio (0.43 vs -1.58), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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